Students learn how to rearrange formulae using the balance method.

Later, as learning progresses, they consider formulae involving powers and roots.

**Differentiated Learning Objectives**

- All students should be able to rearrange a formula involving addition and subtraction terms.
- Most students should be able to rearrange a formula involving a combination of product, division, addition and subtraction terms.
- Some students should be able to rearrange a formula involving powers using the balance method.